This week's giveaway is in the EJB and other Java EE Technologies forum. We're giving away four copies of EJB 3 in Action and have Debu Panda, Reza Rahman, Ryan Cuprak, and Michael Remijan on-line! See this thread for details.
Source is source code and can be compiled on your system, this allows a custom build or support for an OS when Apache doesn't provide a binary. The result of compiling is a binary, if a binary for your system already exists, download the binary.